Home / 76,984.46-106,207.85-50,117.16

Finding the Fourth Proportional to 76,984.46, 106,207.85 and 50,117.16

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Solution

The fourth proportional to 76,984.46, 106,207.85 and 50,117.16 is: 69,141.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,984.46 : 106,207.85 = 50,117.16 : x
  2. Step 2: Convert to fraction form
    76,984.46/106,207.85 = 50,117.16/x
  3. Step 3: Cross multiply
    76,984.46x = 106,207.85 × 50,117.16
  4. Step 4: Simplify right side
    76,984.46x = 5,322,835,561.12
  5. Step 5: Solve for x
    x = 5,322,835,561.12/76,984.46
  6. Step 6: Final answer
    x = 69,141.69

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.